add -v/--version option.

This partially overrides the verbosity option, but that was poorly
implemented and needs to be reworked anyway.

README.pod

@@ -80,9 +80,9 @@ a negative from the right side of the screen.
 Y is measured from the top and down respectevly.
 see also EXAMPLES show the notification on monitor n.
 
-=item B<-v>
+=item B<-v/--version>
 
-Increase verbosity. Can be used multiple times.
+print version information.
 
 
 =item B<-config file>

config.mk

@@ -2,6 +2,8 @@
 PREFIX = /usr/local
 MANPREFIX = ${PREFIX}/share/man
 
+VERSION="pre-0.3.0"
+
 X11INC = /usr/X11R6/include
 X11LIB = /usr/X11R6/lib
 

dunst.c

@@ -112,6 +112,7 @@ l_node *most_important(list * l);
 void draw_win(void);
 void hide_win(void);
 void move_all_to_history(void);
+void print_version(void);
 
 int cmp_notification(notification * a, notification * b)
 {
@@ -841,6 +842,7 @@ void parse_cmdline(int argc, char *argv[])
                         {"config", required_argument, NULL, 'r'},
                         {"mod", required_argument, NULL, 'M'},
                         {"ns", no_argument, NULL, 'x'},
+                        {"version", no_argument, NULL, 'v'},
                         {0, 0, 0, 0}
                 };
 
@@ -940,7 +942,7 @@ void parse_cmdline(int argc, char *argv[])
                         sort = False;
                         break;
                 case 'v':
-                        verbosity++;
+                        print_version();
                         break;
                 default:
                         usage(EXIT_FAILURE);
@@ -1204,4 +1206,10 @@ void usage(int exit_status)
         exit(exit_status);
 }
 
+void print_version(void)
+{
+        printf("Dunst - Dmenuish notification daemon version: %s\n", VERSION);
+        exit(EXIT_SUCCESS);
+}
+
 /* vim: set ts=8 sw=8 tw=0: */